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THE REPRODUCTIVE SYS

ANAT & PHYS I: THE REPRODUCTIVE SYSTEM

QuestionAnswer
Primary sex organs (gonads) – in males, testes
Primary sex organs (gonads) – in females ovaries
Sac of skin and superficial fascia that hangs outsidethe abdominopelvic cavity at the root of the penis The Scrotum
Contains paired testicles separated by a midline septum The Scrotum
A copulatory organ designed to deliver sperm into the female reproductive tract PENIS
cuff of skin covering the distal end of the penis Prepuce, or foreskin
paired dorsal erectile bodiesbound by fibrous tunica albuginea CORPUS CAVERNOSA
surrounds the urethra and expands to form the glans and bulb of the penis Corpus spongiosum
Upon ejaculation this contracts,expelling sperm into the ductus deferens epididymis
Propels sperm from the epididymis to the urethra Ductus Deferens and Ejaculatory Duct
Conveys both urine and semen (at different times) URETHRA
 Its milky, slightly acid fluid, which contains citrate, enzymes, and prostate-specific antigen (PSA),accounts for one-third of the semen volume Plays a role in the activation of sperm Prostate Gland
Produce thick, clear mucus prior to ejaculation thatneutralizes traces of acidic urine in the urethra Bulbourethral Glands
Its duct has stereocilia that: Absorb testicular fluid, Pass nutrients to the sperm epididymis
The cells which contract to cause milk ejection are the myoepithelial cells
Which hormones is found in a female birth control pill? estrogen and progesterone
The hormone most directly responsible for suppressing uterine contractions during early pregnancy is progesterone
The ovary is attached to the uterus by the ovarian ligament AND to the pelvic wall by the suspensory ligament
For girls, the first changes of puberty are calledHINT: The development of the breasts thelarche.
Stratified cuboidal cells called granulosa cells surround the oocyte, forming primary follicle
Which hormone is responsible for the enlargement of the uterus, the development of mammary ducts, and the softening of the pubic symphysis and the sacroiliac joints estrogen
The most correct sequence of organs through which the egg passes from the ovary to the outside is infundibulum > isthmus of Fallopian tube > body of uterus > cervix > vagina
suspends the ovary in between Mesovarium
contains the suspensory ligament and the mesovariument Broad ligament
Each follicle consists of an immature egg called an oocyte
Cells around the oocyte (one cell layer thick)are called: Follicle cells
Cells around the oocyte when more than one layer are called present) Granulosa cells
The cylindrical inferior end of the uterus is called the CERVIX
The period after birth in which the mother's anatomy and physiology return to the normal pregravid state is called puerperium
The level of this hormone rises sharply just prior to ovulation LH
This hormone directly causes the endometrium to thicken after ovulation progesterone
Human chorionic gonadotropin has this effect promotes corpus luteum
Genetic variation is NOT enhanced through mitosis
In response to parasympathetic stimulation blood flow increases to the penis
The basic difference between spermatogenesis and oogenesis is that in oogenesis, one mature ovum is produced, and in spermatogenesis four mature sperm are produced
The usual site of fertilization is the uterine tube also called fallopian tubes
The uterine layer which is shed with each monthly cycle is the functional layer of endometrium
These cells located in between seminiferous tubules produce testosterone interstitial
Under which uterine phase does the functional layer of the endometrium start to rebuild Proliferative
Which cell type is actually ovulated from the ovary?HINT:Females do NOT ovulate true egg cells Secondary oocyte
Which is the most correct sequence of sperm flow in the male duct system? Seminiferous tubules; epididymis; vas deferens; ampulla; ejaculatory duct; urethra
Which represents a correct cascade of reproductive hormones in males GnRH; LH/FSH; testosterone + inhibin
Within the ovary, progesterone is produced by the corpus luteum
What hormone is responsible for the secondary sex characteristics found in womenHINT: This hormone makes women look like women Estrogen
How do birth control pills (oral contraceptives) work They inhibit the release of FSH and LH by a negative feedback mechanism, preventing ovulation
During which phase is the corpus luteum formed Secretory
The muscular wall of the uterus is called the Myometrium
Which hormone causes the oocyte to matureHINT: stimulates the follicular cells and oocyte FSH
They surround the seminiferous tubules and contract rhythmically to squeeze sperm and testicular fluid through the tubules out of the testes myoid cells
Which of the following absorb heat from the testes? the pampiniform plexus
What structures passes through the inguinal canal? the spermatic cord
Which structure makes up most of the male urethral length? spongy urethra
is essential for an erection to occur in a male. nitric oxide
is a maturation site for spermatogonia and does not contain meiotically active cells epididymis
The meiotically active cells in the testes lie in the adluminal compartment
also known as the Graafian follicle, is the mature ovarian follicle. The vesicular follicle
Fertilization usually occurs in ampulla of the fallopian tube
Which structure provides the principal support for the uterus The muscles of the pelvic floor
The _________ in the female is homologous of the penile bulb and corpus spongiosum in the male bulbs of the vestibule
The labia majora in the female are homologous to the scrotum in the male
What pituitary hormone(s) control ovulation and production of female hormones by the ovary? follicle stimulating hormone (FSH) and lutenizing hormone (LH)
After ovulation, the follicular cells that remain in the ovary become the corpus luteum
is the tube that connects the epididymis, where the sperm are stored, to the urethra, the duct that can carry either urine or semen. The vas deferens
Created by: ascpstudent100 on 2009-04-14



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